#include<iostream>
using namespace std;

char up(char ch){

    int n = (int)ch;
    if(n>=97&&n<=122)
        return (char)(n-32);

    return ch;
//cout<<(int)ch<<endl;
//    return ch;
}

int main(){

    char c;
    cin>>c;
    cout << up(c) << endl;

    return 0;
}

